12997558577368 has 16 divisors (see below), whose sum is σ = 24439460361480. Its totient is φ = 6480369147648.

The previous prime is 12997558577363. The next prime is 12997558577387. The reversal of 12997558577368 is 86377585579921.

It is a super-2 number, since 2×12997558577368² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12997558577291 and 12997558577300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997558577363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301264630 + ... + 2301270277.

Almost surely, 2^{12997558577368} is an apocalyptic number.

It is an amenable number.

12997558577368 is a deficient number, since it is larger than the sum of its proper divisors (11441901784112).

12997558577368 is a wasteful number, since it uses less digits than its factorization.

12997558577368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602535266 (or 4602535262 counting only the distinct ones).

The product of its digits is 8001504000, while the sum is 82.

The spelling of 12997558577368 in words is "twelve trillion, nine hundred ninety-seven billion, five hundred fifty-eight million, five hundred seventy-seven thousand, three hundred sixty-eight".